Home / 2,275,245.88-3,139,570.74-1,256,589.88

Finding the Fourth Proportional to 2,275,245.88, 3,139,570.74 and 1,256,589.88

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Solution

The fourth proportional to 2,275,245.88, 3,139,570.74 and 1,256,589.88 is: 1,733,945.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,275,245.88 : 3,139,570.74 = 1,256,589.88 : x
  2. Step 2: Convert to fraction form
    2,275,245.88/3,139,570.74 = 1,256,589.88/x
  3. Step 3: Cross multiply
    2,275,245.88x = 3,139,570.74 × 1,256,589.88
  4. Step 4: Simplify right side
    2,275,245.88x = 3,945,152,819,428.11
  5. Step 5: Solve for x
    x = 3,945,152,819,428.11/2,275,245.88
  6. Step 6: Final answer
    x = 1,733,945.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.